针对某大跨度连续刚构桥出现的主要病害及其原因，介绍了采取增设预应力混凝土箱梁体外索的加固措施。
Aiming at the main damage and its causes of a large-span continuous rigid framework bridge, the strengthening measure of adding the external cable to prestressed concrete box girder was introduced.
对于体外预应力混凝土结构，预应力索的防腐十分重要，它关系到结构的安全性和可靠度。
As to concrete structure of external prestressing, for it affects security and trustiness of structure, the antisepsis of external prestressing cable is extremely important.
介绍该体外预应力式斜拉索的施工监理过程及控制要点。
Construction supervision and control factors of outside prestressed stay cables are introduced.
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